Built-in combo oven



FIG. 1 is a front perspective view of the design of the built-in combooven;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view of the left side being a mirrorimage thereof; and,

FIG. 4 is a top plan view thereof.

The portion shown in broken lines is for illustrative purposes only anddoes not form any part of the invention.

The ornamental design for a built-in combo oven, as shown and described.